The HP Officejet 4635 Printer Driver can be used by those who are operating Windows 8.1 and Windows 10 systems. This version (32.2) was first released in November 2015 and its total size is 162.6 megabytes. Not only have minor bugs been addressed, but other additions within this package include a driver utility bundle as well as a troubleshooting guide in the rare event that compatibility issues are detected. It is also possible to order a physical CD of this version.